Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service Reno NV
1242 PM PDT Fri Jul 11 2025
CAZ070-NVZ001-003>005-130000-
/O.EXT.KREV.HT.Y.0002.250712T1800Z-250716T1800Z/
Western Nevada Basin and Range including Pyramid Lake-Surprise
Valley California-Northern Washoe County-Mineral and Southern
Lyon Counties-Greater Reno-Carson City-Minden Area-
Including the cities of Eagleville, Lovelock, Fort Bidwell,
Hawthorne, Silver Springs, Verdi, Fernley, Fallon, Empire,
Cedarville, Virginia City, Sparks, Nixon, Mina, Imlay,
Gardnerville, Schurz, Yerington, Smith Valley, and Gerlach
1242 PM PDT Fri Jul 11 2025
...HEAT ADVISORY NOW IN EFFECT FROM 11 AM SATURDAY TO 11 AM PDT
WEDNESDAY...
* WHAT...High temperatures of 98-105 degrees expected with overnight
low temperatures in the upper 60s and lower 70s. Widespread Major
HeatRisk with isolated areas of Extreme HeatRisk.
* WHERE...In California, Surprise Valley California. In Nevada,
Northern Washoe County, Western Nevada Basin and Range including
Pyramid Lake, Greater Reno-Carson City-Minden Area, and Mineral
and Southern Lyon Counties.
* WHEN...From 11 AM Saturday to 11 AM PDT Wednesday.
* IMPACTS...Heat related illnesses increase significantly during
heat events, particularly for those working or participating in
outdoor activities.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
JC
URGENT - WEATHER MESSAGE
National Weather Service Reno NV
1242 PM PDT Fri Jul 11 2025
CAZ071-130000-
/O.EXB.KREV.HT.Y.0002.250712T1800Z-250716T1800Z/
Lassen-Eastern Plumas-Eastern Sierra Counties-
Including the cities of Sierraville, Portola, Loyalton,
Susanville, and Westwood
1242 PM PDT Fri Jul 11 2025
...HEAT ADVISORY IN EFFECT FROM 11 AM SATURDAY TO 11 AM PDT
WEDNESDAY...
* WHAT...High temperatures of 98-105 degrees expected with overnight
low temperatures in the upper 60s and lower 70s. Widespread
Moderate HeatRisk with isolated areas of Major HeatRisk.
* WHERE...Lassen-Eastern Plumas-Eastern Sierra Counties.
* WHEN...From 11 AM Saturday to 11 AM PDT Wednesday.
* IMPACTS...Heat related illnesses increase significantly during
heat events, particularly for those working or participating in
outdoor activities.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
339 AM PDT Sat Jul 12 2025
CAZ111-114-115-121845-
/O.CON.KEKA.HT.Y.0002.000000T0000Z-250714T0600Z/
Northeastern Mendocino Interior-Northern Lake-Southern Lake-
Including Clearlake, Knobcone Camp, Clearlake Park, Hidden Valley
Lake, Covelo, Lakeport, Middletown, Gravelly Valley Airport, and
Finley
339 AM PDT Sat Jul 12 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT SUNDAY...
* WHAT...Moderate to locally major heat heat risk is expected with
highs between 100 and 105 in the valleys.
* WHERE...Lake County, and Northeastern Mendocino Interior.
* WHEN...Until 11 PM PDT Sunday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Overnight lows in the low 60s will provide
some relief in the valleys, but higher terrain may see lows remain
in the 70s.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
339 AM PDT Sat Jul 12 2025
CAZ110-113-121845-
/O.CON.KEKA.HT.Y.0002.000000T0000Z-250714T0600Z/
Northwestern Mendocino Interior-Southeastern Mendocino Interior-
Including Legget, Calpella, Potter Valley, Hopland, Laytonville,
Redwood Valley, Ukiah, Talmage, and Willits
339 AM PDT Sat Jul 12 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT SUNDAY...
* WHAT...Moderate heat risk is expected with highs from 100 to 105
each afternoon.
* WHERE...Northwestern Mendocino Interior and Southeastern Mendocino
Interior.
* WHEN...Until 11 PM PDT Sunday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Overnight lows around 60 will provide some
relief in the valleys, but higher terrain may see lows remain in
the 70s.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Elko NV
313 AM PDT Sat Jul 12 2025
NVZ030-033-036>038-040-041-130000-
/O.CON.KLKN.HT.Y.0005.250713T1800Z-250715T0400Z/
Humboldt-Southeastern Elko-Northern Lander and Northern Eureka-
Southern Lander and Southern Eureka-Southwest Elko-Northwestern
Nye-Northeastern Nye-
Including the cities of Manhattan, Crescent Valley, South Fork,
Dunphy, Hickison Summit, Duckwater, Dufferena, Beowawe, Tonopah,
Golconda, Battle Mountain, Eureka, Lamoille, Elko, Garden Pass,
Round Mountain, Ryndon, Spring Creek, Lee, Argenta, Diamond
Valley, Grass Valley, Valmy, Eureka Airport, Palisade, Jiggs,
Winnemucca, Blue Eagle Ranch, Emigrant Pass, Pinto Summit, and
West Wendover
313 AM PDT Sat Jul 12 2025
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM SUNDAY TO 9 PM PDT
MONDAY...
* WHAT...High temperatures of 95 to 104 degrees in the valleys.
* WHERE...Northern Lander and Northern Eureka, Southern Lander and
Southern Eureka, Southeastern Elko, Southwest Elko, Humboldt,
Northeastern Nye, and Northwestern Nye Counties.
* WHEN...From 11 AM Sunday to 9 PM PDT Monday.
* IMPACTS...Hot temperatures may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
96
URGENT - WEATHER MESSAGE
National Weather Service Medford OR
Issued by National Weather Service Eureka CA
257 AM PDT Sat Jul 12 2025
CAZ082>085-ORZ023-025-029>031-121800-
/O.CON.KMFR.HT.Y.0002.250712T2100Z-250715T0300Z/
South Central Siskiyou County-
North Central and Southeast Siskiyou County-
Northeast Siskiyou and Northwest Modoc Counties-Modoc County-
Central Douglas County-Eastern Douglas County Foothills-
Klamath Basin-
Northern and Eastern Klamath County and Western Lake County-
Central and Eastern Lake County-
Including the cities of Dunsmuir, McCloud, Mount Shasta, Bray,
Pondosa, Tennant, Dorris, Newell, Macdoel, Tulelake, Adin,
Alturas, Canby, Day, Likely, Lookout, Drain, Elkton, Roseburg,
Sutherlin, Green, Myrtle Creek, Canyonville, Glendale, Steamboat,
Toketee Falls, Altamont, Klamath Falls, Beatty, Bly, Chemult,
Crescent, Gilchrist, Sprague River, Adel, Lakeview,
and Valley Falls
257 AM PDT Sat Jul 12 2025
...HEAT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
8 PM PDT MONDAY...
* WHAT...Temperatures up to 102 expected.
* WHERE...In California, South Central Siskiyou County, North
Central and Southeast Siskiyou County, Northeast Siskiyou and
Northwest Modoc Counties and Modoc County. In Oregon, Central
Douglas County, Eastern Douglas County Foothills, Klamath
Basin, Northern and Eastern Klamath County and Western Lake
County and Central and Eastern Lake County.
* WHEN...From 2 PM this afternoon to 8 PM PDT Monday.
* IMPACTS...Hot temperatures may cause heat illnesses to occur.
* View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.
Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.
&&
$$
Visit us at https://www.weather.gov/Medford
URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
1128 PM PDT Fri Jul 11 2025
CAZ300>322-324-325-332-121500-
/O.CON.KHNX.HT.Y.0002.000000T0000Z-250716T0600Z/
West Side Mountains north of 198-Los Banos - Dos Palos-Merced -
Madera - Mendota-Planada - Le Grand - Snelling-Coalinga - Avenal-
West Side of Fresno and Kings Counties-Caruthers - San Joaquin -
Selma-Fresno-Clovis-West Side Mountains South of 198-Buttonwillow
- Lost Hills - I5-Delano-Wasco-Shafter-Hanford - Corcoran -
Lemoore-Visalia - Porterville - Reedley-Buena Vista-Bakersfield-
Southeast San Joaquin Valley-South End San Joaquin Valley-
Mariposa Madera Foothills-Mariposa-Madera Lower Sierra-Fresno-
Tulare Foothills-Fresno-Tulare Lower Sierra-South End Sierra
Foothills-South End of the Lower Sierra-Yosemite Valley-San
Joaquin River Canyon-Kern River Valley-
Including the cities of Parlier, Arvin, Lemoore Station,
Kettleman City, Kingsburg, Delano, Visalia, Millerton Lake,
Fresno, San Luis Reservoir, Oakhurst, Five Points, Richgrove,
Wasco, Hanford, Corcoran, Porterville, Lamont, Avenal, Fish Camp,
El Portal, Goshen, Los Banos, North Fork, Shafter, Taft,
Blackwells Corner, Le Grand, Madera, Lemoore, Bakersfield, Lake
Isabella, Kernville, Selma, Lake Mcclure, Merced, Bass Lake,
Kerman, Mariposa, Alpaugh, Atwater, Lost Hills, Coalinga,
Buttonwillow, Yosemite Valley, Coarsegold, Camp Nelson, Tulare,
McKittrick, Sanger, Auberry, and Planada
1128 PM PDT Fri Jul 11 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT TUESDAY...
* WHAT...High temperatures up to 105 degrees expected.
* WHERE...San Joaquin Valley, Coastal Ranges, Sierra Nevada
foothills, Kern River Valley, and Yosemite Valley.
* WHEN...Until 11 PM PDT Tuesday.
* IMPACTS...Hot temperatures may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
&&
$$
BSO
URGENT - WEATHER MESSAGE
National Weather Service Sacramento CA
119 PM PDT Fri Jul 11 2025
CAZ013>016-063-066-068-130000-
/O.CON.KSTO.HT.Y.0003.000000T0000Z-250715T0600Z/
Shasta Lake Area / Northern Shasta County-Burney Basin / Eastern
Shasta County-Northern Sacramento Valley-Central Sacramento
Valley-Mountains Southwestern Shasta County to Western Colusa
County-Northeast Foothills/Sacramento Valley-Western Plumas
County/Lassen Park-
Including the cities of Alder Springs, Redding, Chester,
Paradise, Oroville, Quincy, Shasta Dam, Chico, Red Bluff, Burney,
and Marysville/Yuba City
119 PM PDT Fri Jul 11 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT MONDAY...
* WHAT...High temperatures up to 95 to 110 expected. Overnight low
temperatures in the upper 60s to around 80. Widespread Moderate
HeatRisk with areas of Major HeatRisk.
* WHERE...Burney Basin / Eastern Shasta County, Northern and Central
Sacramento Valley, Mountains Southwestern Shasta County to Western
Colusa County, Northeast Foothills/Sacramento Valley, Shasta Lake
Area / Northern Shasta County, and Western Plumas County/Lassen
Park.
* WHEN...Until 11 PM PDT Monday.
* IMPACTS...Heat related illnesses increase significantly during
heat events, particularly for those working or participating in
outdoor activities.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors, especially those
more susceptible to heat impacts.
&&
$$
For more information, visit us at www.weather.gov/sto/
NR
